Damaged Lipo, Disposal?

Hi, was having a good bash at the BMX track with my truggy, hit a massive jump bad landing, cartwheels yadda yadda yadda. End result, lipo broke the gorilla maxx straps, have broken 4 of these already.. why do I keep using them...(going to hardware store to get some nice thick straps). It got wedged in the front between my battery tray and the steering columns (hyper st pro). There were also a lot of little dents in the packs, I think due to my poor battery tray, which I am going to be remaking.

There is what looks like a puncture wound on one of the packs, it has pierced the foil covering. I connected it to my balancer to check the voltages of the cells, and they are all at 3.97v, with one cell at 3.98v. There is no swelling of any of the packs.

It pains me to ask this, as this is only about the 5th run I have had on this $400AUD battery pack Poly-RC 6S1P 6000mah, but should I dispose of it, and what would be the best method. I have done some reading and it looks like I should discharge the cell with a lightbulb 24v or similar to 0V and then dunk it in a salt water bath. But then I have read many conflicting reports, some from a few years ago.

How do you guys do it now?

Let me see if I can get a few pics.